Generac — Test Sub Coil of Stator
Testing & diagnosis · Stator sub coil
From a Generac service manual covering: Craftsman 2200i C0010020, Craftsman 3000i C0010030, GP2200, GP3000i, GP3500iO, IQ3500, PRO-3000i INV3000DMN, Premier 2200i INV2200DMN, iQ2000, iQ3500, iX 1600, iX 2000…. Check it applies to your exact model before use.
Applies to: Generac GP3000i, Generac GP3500iO, Generac IQ3500, Generac iX 1600, Generac iX 2000
Before you start
- Explosion and Fire. Fuel and vapors are extremely flammable and explosive. Add fuel in a well ventilated area. Keep fire and spark away.
Procedure
- Stop engine and drain fuel from tank.
- Remove electrical box assembly, back window, and upper enclosure half.
- Take out C4 connector (do not remove harness of control panel).
- Set DMM to measure resistance.
- On female side of C4, connect one lead to Pin 1 and the other to Pin 4; measure and record resistance.
- If within specified values refer to flow chart; if outside tolerance replace stator.
Tools required
- DMM Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- iX 800: 0.5 Ohms
- iX 1600: 0.7 Ohms
- iX 2000: 0.3 Ohms
Full service-parts list: Generac GP3000i →, Generac GP3500iO →, Generac IQ3500 →, Generac iX 1600 →, Generac iX 2000 →
Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.